Home / 19,864.79-29,789.83-5,821.22

Finding the Fourth Proportional to 19,864.79, 29,789.83 and 5,821.22

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Solution

The fourth proportional to 19,864.79, 29,789.83 and 5,821.22 is: 8,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.79 : 29,789.83 = 5,821.22 : x
  2. Step 2: Convert to fraction form
    19,864.79/29,789.83 = 5,821.22/x
  3. Step 3: Cross multiply
    19,864.79x = 29,789.83 × 5,821.22
  4. Step 4: Simplify right side
    19,864.79x = 173,413,035.63
  5. Step 5: Solve for x
    x = 173,413,035.63/19,864.79
  6. Step 6: Final answer
    x = 8,729.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.